True bc I had the same answer
Answer:
<h3>sand is a substance: because is a mixture of two or more material which are not completely comband tougher but are phsicla comband tougher</h3>
Answer:
pulmonary vein
Explanation:
The pulmonary veins
transfer oxygenated blood from the lungs to the heart.
It helps complete the pulmonary circuit, by receiving oxygenated blood in the alveoli and returning it to the left atrium.
blue......................
